1941- Coast Guard Reserve established. Auxiliary created from former Reserve.

1944- The invasion of Iwo Jima commenced. Coast Guard units that participated in this bloody campaign included the Coast Guard-manned USS Bayfield, Callaway, 14 LSTs and the PC-469. Three of the LSTs were struck by enemy shore fire: LST-792, LST-758, and LST-760.

1988- The CGC Mallow made the largest drug bust in Hawaiian waters to date. The Mallow, the Navy fast frigate USS Ouellet with a Coast Guard Law Enforcement Detachment from the CGC Jarvis, and an AIRSTA Barbers Point HC-130 tracked the 160-foot Panamanian-flagged freighter Christina M 800 miles southeast of Hawaii. A boarding team from Mallow discovered 454 55-pound bales of marijuana aboard. The freighter was seized and her crew of eight arrested.